G A sample of provided a sample mean of . The population standard deviation is . Enter negative values as negative number. a. Compute the value of the test statistic (to 2 decimals). b. What is the -value (to 3 decimals)? c. Using , can it be concluded that the population mean is less than ? d. Using , what is the critical value for the test statistic (to 3 decimals)? State the rejection rule: Reject if is the critical value. Using , can it be concluded that the population mean is less than ?